“The only way in which you can really effectively stop transmission is to vaccinate,” says Paul Offit, the chief of the division of infectious diseases at Children’s Hospital of Philadelphia and a co-developer of a vaccine for rotavirus.

Join us for a live chat about “The Vaccine War” with producer and director Kate McMahon, Lisa Aliferis from the KQED blog State of the Health, UC Berkeley professor Arthur Reingold, and Carl Krawitt from the film. You can leave a question now.

There’s a new twist to the ongoing vaccine debate, which pits some parents against doctors and public health officials over the safety of inoculations: an increase in doctors “firing” patients whose refuse vaccinations.

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